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Ten kilograms of water at 15° C and 700 kPa are contained in a cylinder as shown. Heat is transferred slowly causing the piston to rise. Determine the heat transfer and work done if the final condition is saturated vapor. Show the process on a T-v diagram and also determine the final pressure.
calculate the total equivalent length of 1-in wrought iron pipe that would produce a pressure drop of 70 kpa due to
a solid cylindrical specimen 200-mm high is compressed to a final height of 60 mm in two steps between frictionless
ethane gas at 140 f is burned in a steady-flow process with theoretical air at 40 f in such a way that the products are
Calculate the change in free-energy associated with the formation of a critical spherical nucleus in pure liquid nickel that is 200 ºC under cooled. Properties of Nickel: Heat of Fusion 2660 J/cm3; Surface Energy 255x10-7 J/cm2 ; Freezing Temperatur..
in order to increase production rate a reactor setpoint was increased from 160 psig to 190 psig. the reactor pressure
a helicopter pilot drop supplies to a stranded avalanche survivor located on the east side of the a mountain that
A piston-cylinder arrangement holds a thermally perfect gas at p1=100kPa and T1 = 300K. Assume that cp = 1.0035 kJ/kg-K, cv = 0.7165 kJ/kg-K, and R = 0.287 kJ/
a rigid 110-l steam cooker is arranged with a pressure relief valve set to release vapor and maintain the pressure once
a dragster weighing 1600 lbf attains a speed of 270 mph in the quarter mile. immediately after passing through the
Refrigerant 134a at 700 kPa and 40oC is expanded adiabatically in a closed system to 60 kPa. Determine the work produced, in kJ/kg, and final enthalpy for an isentropic expansion efficiency of 80.
on an assembly line that fills 8-ounce cans a can will be rejected if its weight is less than 7.90 ounces. in a large
a a thermopile consisting of 5 junction pairs of chromel-constantan is used to measure a temperature difference of 50oc
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